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6 Incremental Encoder Input Units
NX-series Position Interface Units User’s Manual (W524)
6-7 I/O Data Specifications
6
6-7-1 Data Items for Allocation to I/O
The data items that you can allocate to I/O for a Two-input Unit are listed in the following table.
NX-EC0212 and NX-EC0222
Area Data item
Size
(bytes)
Data type
Default
*1
*1. The Default column shows the data item that are set when the Unit is shipped from the factory. You can allocate
other data items.
MC Function
Module PDO
*2
*2. These PDOs are required to use the MC Function Module.
Input Encoder Counter Status 1 1 BYTE Yes
Reset Status 1 1 BYTE Yes
Encoder Present Position 1 4 DINT Yes Yes
Pulse Period Measurement Status 1 1 BYTE Yes
Latch Status 1 2 WORD Yes Yes
Latch Input 1 Data 1 4 DINT Yes Yes
Latch Input 2 Data 1 4 DINT Yes Yes
Internal Latch Data 1 4 DINT
Pulse Rate 1 4 UDINT
Pulse Period Measured Value 1 4 UDINT
Time Stamp 1
*3
*3. An EtherCAT Coupler Unit with unit version 1.1 or later is required.
8ULINT
Encoder Counter Status 2 1 BYTE Yes
Reset Status 2 1 BYTE Yes
Encoder Present Position 2 4 DINT Yes Yes
Pulse Period Measurement Status 2 1 BYTE Yes
Latch Status 2 2 WORD Yes Yes
Latch Input 1 Data 2 4 DINT Yes Yes
Latch Input 2 Data 2 4 DINT Yes Yes
Internal Latch Data 2 4 DINT
Pulse Rate 2 4 UDINT
Pulse Period Measured Value 2 4 UDINT
Time Stamp 2
*3
8ULINT
Output Encoder Counter Operation Command 1 2 WORD
Pulse Period Measurement Function 1 2 WORD Yes
Latch Function 1 2 WORD Yes Yes
Preset Command Value 1 4 DINT
Encoder Counter Operation Command 2 2 WORD
Pulse Period Measurement Function 2 2 WORD Yes
Latch Function 2 2 WORD Yes Yes
Preset Command Value 2 4 DINT